In Another World With My Smartphone Novel Volume 18 was written by Patora Fuyuhara and illustrated by Eiji Usatsuka.

The two continents have collided, but a sinister bombardment from the space between worlds casts a shadow on the occasion. What foul machinations has this wicked god orchestrated? Unfortunately, Touya may not live to find out! A new poison has appeared that can render him and everyone he loves completely powerless. Will Touya’s budding divinity help him pull through, or has the unstoppable Grand Duke of Brunhild finally met his match? Pack your antidotes and prepare for a tale of swords, sorcery, and drones!